Gaya APA

Astrology. (1981). Nugraha: Pustaka Eureka.

Gaya Chicago

Astrology. . Nugraha: Pustaka Eureka, 1981. Text.

Gaya MLA

Astrology. . Nugraha: Pustaka Eureka, 1981. Text.

Gaya Turabian

Astrology. Nugraha: Pustaka Eureka, 1981. Print.